./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ae547c4902f7e11f87d7994462416820855bf00f967c780d5442969e651ce2e2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:57:59,269 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:57:59,359 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:57:59,366 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:57:59,367 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:57:59,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:57:59,397 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:57:59,398 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:57:59,399 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:57:59,400 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:57:59,401 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:57:59,401 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:57:59,402 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:57:59,403 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:57:59,403 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:57:59,404 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:57:59,405 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:57:59,406 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:57:59,406 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:57:59,407 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:57:59,408 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:57:59,408 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:57:59,409 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:57:59,410 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:57:59,410 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:57:59,411 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:57:59,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:59,412 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:57:59,413 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:57:59,413 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:57:59,414 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:57:59,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:57:59,415 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:57:59,415 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae547c4902f7e11f87d7994462416820855bf00f967c780d5442969e651ce2e2 [2023-11-19 03:57:59,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:57:59,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:57:59,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:57:59,749 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:57:59,750 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:57:59,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-1.i [2023-11-19 03:58:03,484 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:58:03,821 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:58:03,822 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-1.i [2023-11-19 03:58:03,831 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL/data/46d04f687/f73a799cd92e482792ae68721b541b94/FLAG35cc7b867 [2023-11-19 03:58:03,848 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL/data/46d04f687/f73a799cd92e482792ae68721b541b94 [2023-11-19 03:58:03,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:58:03,853 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:58:03,855 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:03,855 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:58:03,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:58:03,862 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:03" (1/1) ... [2023-11-19 03:58:03,864 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@113bb6b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:03, skipping insertion in model container [2023-11-19 03:58:03,864 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:03" (1/1) ... [2023-11-19 03:58:03,922 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:58:04,075 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-1.i[914,927] [2023-11-19 03:58:04,109 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:04,121 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:58:04,132 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-1.i[914,927] [2023-11-19 03:58:04,151 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:04,168 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:58:04,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:04 WrapperNode [2023-11-19 03:58:04,168 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:04,169 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:04,170 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:58:04,170 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:58:04,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:04" (1/1) ... [2023-11-19 03:58:04,186 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:04" (1/1) ... [2023-11-19 03:58:04,215 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 127 [2023-11-19 03:58:04,215 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:04,216 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:58:04,216 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:58:04,216 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:58:04,234 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:04" (1/1) ... [2023-11-19 03:58:04,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:04" (1/1) ... [2023-11-19 03:58:04,236 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:04" (1/1) ... [2023-11-19 03:58:04,237 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:04" (1/1) ... [2023-11-19 03:58:04,244 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:04" (1/1) ... [2023-11-19 03:58:04,249 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:04" (1/1) ... [2023-11-19 03:58:04,251 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:04" (1/1) ... [2023-11-19 03:58:04,252 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:04" (1/1) ... [2023-11-19 03:58:04,255 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:58:04,256 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:58:04,256 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:58:04,256 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:58:04,257 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:04" (1/1) ... [2023-11-19 03:58:04,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:04,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:58:04,289 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:58:04,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:58:04,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:58:04,328 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:58:04,328 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:58:04,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:58:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:58:04,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:58:04,402 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:58:04,405 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:58:04,710 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:58:05,189 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:58:05,190 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:58:05,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:05 BoogieIcfgContainer [2023-11-19 03:58:05,196 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:58:05,197 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:58:05,197 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:58:05,209 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:58:05,209 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:05" (1/1) ... [2023-11-19 03:58:05,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:58:05,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:05,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2023-11-19 03:58:05,321 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2023-11-19 03:58:05,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:58:05,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:05,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:58:05,619 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:58:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:58:05,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:58:05,983 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:58:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:58:06,088 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:58:06,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:58:06 ImpRootNode [2023-11-19 03:58:06,169 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:58:06,171 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:58:06,172 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:58:06,172 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:58:06,173 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:05" (3/4) ... [2023-11-19 03:58:06,176 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:58:06,177 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:58:06,179 INFO L158 Benchmark]: Toolchain (without parser) took 2325.21ms. Allocated memory is still 159.4MB. Free memory was 128.0MB in the beginning and 97.1MB in the end (delta: 30.9MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2023-11-19 03:58:06,181 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 115.3MB. Free memory was 72.1MB in the beginning and 72.0MB in the end (delta: 118.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:58:06,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.95ms. Allocated memory is still 159.4MB. Free memory was 127.7MB in the beginning and 116.1MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:58:06,183 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.85ms. Allocated memory is still 159.4MB. Free memory was 116.1MB in the beginning and 114.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:58:06,184 INFO L158 Benchmark]: Boogie Preprocessor took 39.11ms. Allocated memory is still 159.4MB. Free memory was 113.7MB in the beginning and 112.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:58:06,185 INFO L158 Benchmark]: RCFGBuilder took 939.99ms. Allocated memory is still 159.4MB. Free memory was 112.5MB in the beginning and 127.1MB in the end (delta: -14.6MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2023-11-19 03:58:06,187 INFO L158 Benchmark]: CodeCheck took 972.13ms. Allocated memory is still 159.4MB. Free memory was 127.1MB in the beginning and 97.1MB in the end (delta: 30.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 03:58:06,188 INFO L158 Benchmark]: Witness Printer took 6.12ms. Allocated memory is still 159.4MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:58:06,199 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 38, overapproximation of bitwiseOr at line 39, overapproximation of someUnaryFLOAToperation at line 55. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 5.5; [L23] float var_1_4 = 256.2; [L24] unsigned char var_1_5 = 128; [L25] unsigned char var_1_9 = 25; [L26] signed char var_1_10 = 4; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 1; [L29] signed char var_1_13 = -1; [L30] signed long int var_1_14 = 256; [L31] float var_1_15 = 127.2; [L32] signed char last_1_var_1_10 = 4; [L33] signed long int last_1_var_1_14 = 256; [L34] float last_1_var_1_15 = 127.2; [L90] isInitial = 1 [L91] FCALL initially() [L92] COND TRUE 1 [L93] CALL updateLastVariables() [L81] last_1_var_1_10 = var_1_10 [L82] last_1_var_1_14 = var_1_14 [L83] last_1_var_1_15 = var_1_15 [L93] RET updateLastVariables() [L94] CALL updateVariables() [L65] var_1_4 = __VERIFIER_nondet_float() [L66] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=25] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=25] [L67] var_1_9 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=1] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=1] [L69] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=1] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=1] [L70] var_1_11 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=1] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=1] [L72] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=1] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=1] [L73] var_1_12 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=0, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=1] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=0, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=1] [L75] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=0, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=1] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=0, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=1] [L76] var_1_13 = __VERIFIER_nondet_char() [L77] CALL assume_abort_if_not(var_1_13 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=1] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_13 >= -127) VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=1] [L78] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=1] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=1] [L94] RET updateVariables() [L95] CALL step() [L38] COND FALSE !(last_1_var_1_15 < ((((25.2f) < 0 ) ? -(25.2f) : (25.2f)))) [L45] var_1_5 = var_1_9 [L47] var_1_14 = var_1_5 [L48] COND FALSE !(\read(var_1_11)) [L53] var_1_15 = var_1_4 [L54] COND TRUE var_1_15 <= (- var_1_15) [L55] var_1_1 = ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) [L95] RET step() [L96] CALL, EXPR property() [L86] EXPR ((var_1_15 <= (- var_1_15)) ? (var_1_1 == ((float) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : ((var_1_15 > var_1_15) ? (var_1_1 == ((float) var_1_4)) : (var_1_1 == ((float) var_1_4)))) && ((last_1_var_1_15 < ((((25.2f) < 0 ) ? -(25.2f) : (25.2f)))) ? ((((4 + last_1_var_1_10) ^ last_1_var_1_14) >= last_1_var_1_10) ? (var_1_5 == ((unsigned char) 0)) : (var_1_5 == ((unsigned char) var_1_9))) : (var_1_5 == ((unsigned char) var_1_9))) [L86-L87] return (((((var_1_15 <= (- var_1_15)) ? (var_1_1 == ((float) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : ((var_1_15 > var_1_15) ? (var_1_1 == ((float) var_1_4)) : (var_1_1 == ((float) var_1_4)))) && ((last_1_var_1_15 < ((((25.2f) < 0 ) ? -(25.2f) : (25.2f)))) ? ((((4 + last_1_var_1_10) ^ last_1_var_1_14) >= last_1_var_1_10) ? (var_1_5 == ((unsigned char) 0)) : (var_1_5 == ((unsigned char) var_1_9))) : (var_1_5 == ((unsigned char) var_1_9)))) && (var_1_11 ? ((! var_1_12) ? (var_1_10 == ((signed char) var_1_13)) : 1) : 1)) && (var_1_14 == ((signed long int) var_1_5))) && (var_1_15 == ((float) var_1_4)) ; [L96] RET, EXPR property() [L96] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=3, var_1_1=2, var_1_4=3, var_1_5=1, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=3, var_1_1=2, var_1_4=3, var_1_5=1, var_1_9=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 115.3MB. Free memory was 72.1MB in the beginning and 72.0MB in the end (delta: 118.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.95ms. Allocated memory is still 159.4MB. Free memory was 127.7MB in the beginning and 116.1MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.85ms. Allocated memory is still 159.4MB. Free memory was 116.1MB in the beginning and 114.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.11ms. Allocated memory is still 159.4MB. Free memory was 113.7MB in the beginning and 112.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 939.99ms. Allocated memory is still 159.4MB. Free memory was 112.5MB in the beginning and 127.1MB in the end (delta: -14.6MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. * CodeCheck took 972.13ms. Allocated memory is still 159.4MB. Free memory was 127.1MB in the beginning and 97.1MB in the end (delta: 30.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 6.12ms. Allocated memory is still 159.4MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:58:06,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ae547c4902f7e11f87d7994462416820855bf00f967c780d5442969e651ce2e2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:58:09,174 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:58:09,269 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:58:09,302 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:58:09,303 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:58:09,304 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:58:09,305 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:58:09,305 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:58:09,306 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:58:09,307 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:58:09,307 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:58:09,308 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:58:09,308 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:58:09,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:58:09,310 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:58:09,310 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:58:09,311 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:58:09,311 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:58:09,312 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:58:09,312 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:58:09,313 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:58:09,314 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:58:09,314 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:58:09,315 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:58:09,315 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:58:09,316 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:58:09,317 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:58:09,317 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:58:09,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:09,318 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:58:09,319 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:58:09,320 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:58:09,320 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:58:09,321 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:58:09,321 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:58:09,322 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:58:09,322 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:58:09,323 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae547c4902f7e11f87d7994462416820855bf00f967c780d5442969e651ce2e2 [2023-11-19 03:58:09,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:58:09,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:58:09,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:58:09,711 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:58:09,711 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:58:09,713 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-1.i [2023-11-19 03:58:13,072 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:58:13,402 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:58:13,403 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-1.i [2023-11-19 03:58:13,411 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL/data/3b5ede167/66871efe45a04abb93d7f3fe3b32a90a/FLAG48ac2c48e [2023-11-19 03:58:13,433 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL/data/3b5ede167/66871efe45a04abb93d7f3fe3b32a90a [2023-11-19 03:58:13,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:58:13,440 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:58:13,442 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:13,442 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:58:13,446 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:58:13,447 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:13" (1/1) ... [2023-11-19 03:58:13,448 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ca2fb98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:13, skipping insertion in model container [2023-11-19 03:58:13,448 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:13" (1/1) ... [2023-11-19 03:58:13,478 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:58:13,667 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-1.i[914,927] [2023-11-19 03:58:13,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:13,750 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:58:13,766 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-1.i[914,927] [2023-11-19 03:58:13,782 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:13,809 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:58:13,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:13 WrapperNode [2023-11-19 03:58:13,810 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:13,811 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:13,812 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:58:13,812 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:58:13,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:13" (1/1) ... [2023-11-19 03:58:13,842 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:13" (1/1) ... [2023-11-19 03:58:13,885 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 89 [2023-11-19 03:58:13,887 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:13,888 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:58:13,889 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:58:13,889 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:58:13,899 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:13" (1/1) ... [2023-11-19 03:58:13,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:13" (1/1) ... [2023-11-19 03:58:13,910 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:13" (1/1) ... [2023-11-19 03:58:13,911 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:13" (1/1) ... [2023-11-19 03:58:13,952 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:13" (1/1) ... [2023-11-19 03:58:13,963 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:13" (1/1) ... [2023-11-19 03:58:13,965 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:13" (1/1) ... [2023-11-19 03:58:13,967 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:13" (1/1) ... [2023-11-19 03:58:13,984 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:58:13,985 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:58:13,985 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:58:13,985 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:58:13,986 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:13" (1/1) ... [2023-11-19 03:58:13,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:14,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:58:14,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:58:14,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:58:14,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:58:14,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:58:14,086 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:58:14,086 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:58:14,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:58:14,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:58:14,202 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:58:14,205 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:58:14,486 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:58:14,672 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:58:14,673 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:58:14,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:14 BoogieIcfgContainer [2023-11-19 03:58:14,678 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:58:14,680 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:58:14,680 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:58:14,691 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:58:14,693 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:14" (1/1) ... [2023-11-19 03:58:14,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:58:14,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:14,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2023-11-19 03:58:14,781 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2023-11-19 03:58:14,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:58:14,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:14,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:58:14,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:58:14,795 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:58:14,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9144d2ef-b18d-4708-bcc9-73ca89193184/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:58:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:15,403 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:58:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:15,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:58:15,519 INFO L285 TraceCheckSpWp]: Computing forward predicates...